Part Modeling > Datum Features > Datum Planes > To Create a Datum Plane Normal to a Surface of Revolution and Through a Datum Point or Vertex
  
To Create a Datum Plane Normal to a Surface of Revolution and Through a Datum Point or Vertex
1. Click Model > Plane. The Datum Plane dialog box opens.
2. Select the surface of revolution of a cylinder or cone (the plane will be normal to the axis of revolution of the surface).
3. In the Datum Plane dialog box, next to the surface of revolution, select Normal from the list.
4. Hold down the CTRL key while you select a datum point or vertex.
5. Click OK.
1. Surface of revolution, the datum plane is normal to its axis
2. Datum point through which the plane passes
3. Datum plane that is created